Power Query
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Type.IsNullable

Type.IsNullable

Returns true if a type is a nullable type; otherwise, false.
function (type as type) as logical

Description

Returns true if a type is a nullable type; otherwise, false.

Category

Type

Examples

Determine if number is nullable.
Type.IsNullable(type number)
false
Determine if type nullable number is nullable.
Type.IsNullable(type nullable number)
true
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Type.IsNullable
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Examples